1133210200121 has 4 divisors (see below), whose sum is σ = 1133212640292. Its totient is φ = 1133207759952.

The previous prime is 1133210200099. The next prime is 1133210200141. The reversal of 1133210200121 is 1210020123311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 678679392400 + 454530807721 = 823820^2 + 674189^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133210200121 - 2³⁸ = 858332293177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133210200121.

It is not an unprimeable number, because it can be changed into a prime (1133210200141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284186 + ... + 1532051.

It is an arithmetic number, because the mean of its divisors is an integer number (283303160073).

Almost surely, 2^{1133210200121} is an apocalyptic number.

It is an amenable number.

1133210200121 is a deficient number, since it is larger than the sum of its proper divisors (2440171).

1133210200121 is an equidigital number, since it uses as much as digits as its factorization.

1133210200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440170.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1133210200121 its reverse (1210020123311), we get a palindrome (2343230323432).

It can be divided in two parts, 1133210 and 200121, that added together give a palindrome (1333331).

The spelling of 1133210200121 in words is "one trillion, one hundred thirty-three billion, two hundred ten million, two hundred thousand, one hundred twenty-one".